How do we know the following relation with the following dependencies is BCNF?   course  (  course_id  ,  title  ,  dept_name  ,  credits  )   Functional Dependencies course_id  →  title  ,  dept_name  ,  credits building  ,  room_number  →  capacity course_id  ,  sec_id  ,  semester  ,  year  →  building  ,  room_number  ,  time_slot_id       a. course_id is a superkey   b. course_id, dept_name is a superkey   c. dept_name is a superkey   d. course_id is a candidate key

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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How do we know the following relation with the following dependencies is BCNF?

 

course  (  course_id  ,  title  ,  dept_name  ,  credits  )

 

Functional Dependencies

course_id  →  title  ,  dept_name  ,  credits
building  ,  room_number  →  capacity
course_id  ,  sec_id  ,  semester  ,  year  →  building  ,  room_number  ,  time_slot_id

 

 

  a.

course_id is a superkey

  b.

course_id, dept_name is a superkey

  c.

dept_name is a superkey

  d.

course_id is a candidate key

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